嘉肴ありと雖も食らわずんばその旨きを知らず

かこうありといえどもくらわずんばそのうまきをしらずkakouaritoiedomokurawazunbasonoumakioshirazu

expression

1. one cannot understand even a holy man's teachings without study
2. one cannot know the abilities of a great man without putting him to use
3. one cannot know the delicious taste of fine food without eating it

Study it in Yanamino